java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
   at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3052)
Caused: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 1 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
   at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
   at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
   at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)
   at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3603)
   at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3492)
   at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4043)
   at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2503)
   at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2664)
   at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2788)
   at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2738)
   at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1617)
   at org.netbeans.modules.db.dataview.output.SQLExecutionHelper.getTotalCount(SQLExecutionHelper.java:922)
   at org.netbeans.modules.db.dataview.output.SQLExecutionHelper.access$900(SQLExecutionHelper.java:84)
   at org.netbeans.modules.db.dataview.output.SQLExecutionHelper$1Loader.run(SQLExecutionHelper.java:182)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
Caused: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:0)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
   at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
   at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
   at com.mysql.jdbc.Util.getInstance(Util.java:386)
   at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1014)
   at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:988)
   at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:974)
   at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:919)
   at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1290)
   at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1282)
   at com.mysql.jdbc.ConnectionImpl.getMetaData(ConnectionImpl.java:3206)
   at com.mysql.jdbc.ConnectionImpl.getMetaData(ConnectionImpl.java:3201)
Caused: org.netbeans.modules.db.metadata.model.api.MetadataException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.
   at org.netbeans.modules.db.metadata.model.jdbc.JDBCMetadata.<init>(JDBCMetadata.java:81)
   at org.netbeans.modules.db.metadata.model.JDBCConnMetadataModel.createMetadata(JDBCConnMetadataModel.java:154)
   at org.netbeans.modules.db.metadata.model.JDBCConnMetadataModel.enterReadAccess(JDBCConnMetadataModel.java:126)
Caused: org.netbeans.modules.db.metadata.model.api.MetadataModelException: org.netbeans.modules.db.metadata.model.api.MetadataException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.
   at org.netbeans.modules.db.metadata.model.JDBCConnMetadataModel.runReadAction(JDBCConnMetadataModel.java:102)
   at org.netbeans.modules.db.metadata.model.api.MetadataModel.runReadAction(MetadataModel.java:92)
   at org.netbeans.modules.db.explorer.DatabaseConnection$4.run(DatabaseConnection.java:1216)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)